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Finding the Fourth Proportional to 3,501.56, 5,252.40 and 904.40

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Solution

The fourth proportional to 3,501.56, 5,252.40 and 904.40 is: 1,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.56 : 5,252.40 = 904.40 : x
  2. Step 2: Convert to fraction form
    3,501.56/5,252.40 = 904.40/x
  3. Step 3: Cross multiply
    3,501.56x = 5,252.40 × 904.40
  4. Step 4: Simplify right side
    3,501.56x = 4,750,270.56
  5. Step 5: Solve for x
    x = 4,750,270.56/3,501.56
  6. Step 6: Final answer
    x = 1,356.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.